Home / 4,785.08-7,177.56-2,151.12

Finding the Fourth Proportional to 4,785.08, 7,177.56 and 2,151.12

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Solution

The fourth proportional to 4,785.08, 7,177.56 and 2,151.12 is: 3,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.08 : 7,177.56 = 2,151.12 : x
  2. Step 2: Convert to fraction form
    4,785.08/7,177.56 = 2,151.12/x
  3. Step 3: Cross multiply
    4,785.08x = 7,177.56 × 2,151.12
  4. Step 4: Simplify right side
    4,785.08x = 15,439,823.82
  5. Step 5: Solve for x
    x = 15,439,823.82/4,785.08
  6. Step 6: Final answer
    x = 3,226.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.